Definitely! IP Masquerading is totally transparent to Diald or PPP. The only
thing that might become an issue is if you use STRONG firewall rulesets with
dynamic IP addresses. See the FAQ item, "Does IP Masquerade work with
dynamically assigned IP addresses?" above for more details.

( MASQ and various networks ) - Can I use a cable modem (both
bi-directional and with modem returns), DSL, satellite link, etc. to connect
to the Internet and use IP Masquerade?